CN209312633U - A kind of passive and wireless limit switch - Google Patents
A kind of passive and wireless limit switch Download PDFInfo
- Publication number
- CN209312633U CN209312633U CN201920383616.XU CN201920383616U CN209312633U CN 209312633 U CN209312633 U CN 209312633U CN 201920383616 U CN201920383616 U CN 201920383616U CN 209312633 U CN209312633 U CN 209312633U
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- CN
- China
- Prior art keywords
- box body
- pressing plate
- rocker arm
- passive
- limit switch
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Abstract
The utility model discloses a kind of passive and wireless limit switches, including box body, pressing plate, rocker arm, magnet, loop and reset assembly；Pressing plate and box body are rotatablely connected, and magnet is fixedly connected with rocker arm, and rocker arm and box body are rotatablely connected, and loop is fixedly connected with box body, and magnet is located on the inside of loop；For rocker arm between pressing plate and box body, pressing plate can push rocker arm to rotate relative to box body after rotating towards the direction close to rocker arm；Reset assembly is connect with box body and rocker arm respectively, and after pressing plate pushes rocker arm rotation, reset assembly has repulsion power to rocker arm, and rocker arm band moving magnet rotates on the inside of loop；Arc groove is offered on box body, the arc core of arc groove is located remotely from the side of pressing plate rotation center；Compression bar is slidably connected on box body, compression bar is plugged on the inside of arc groove and is slidably connected with arc groove inner wall, and for pressing plate when being not affected by pressure effect, pressing plate is located at the middle part of arc groove far from one end of its rotation center, and compression bar is located at side of the pressing plate far from box body.
Description
Technical field
The utility model embodiment is related to electric switch technical field, and in particular to a kind of passive and wireless limit switch.
Background technique
Passive and wireless limit switch is a kind of for controlling opening for Moving Objects movement travel range in Machine Movement Process
Device is closed, passive and wireless limit switch, passive and wireless limit are triggered when Moving Objects move to preset stroke range boundary
Switch issues corresponding control signal to Moving Objects, and Moving Objects make corresponding motion change.
Existing passive and wireless limit switch includes that Moving Objects collision triggering and Manual press trigger two kinds, i.e. movement pair
Anti-collision passive wireless limit switch when as moving to preset strokes boundary, passive and wireless limit switch executes movement and people sees
Manual press passive and wireless limit switch when Moving Objects move to preset strokes boundary is examined, passive and wireless limit switch executes dynamic
Make.
The passive and wireless limit switch of collision type usually requires to power on, after Moving Objects collision, passive and wireless limit
Electric signal is passed to the control module of Moving Objects by bit switch；Manual press does not need to power on, but is usually
One-stroke button type structure, pressing back contact close, and connect control signal, then disconnect by a back contact, therefore every secondary control mistake
Journey is needed by twice, and operation is not convenient enough.
Utility model content
For this purpose, the utility model embodiment provides a kind of passive and wireless limit switch, do not need to power on to reach and
Control process more easily effect.
To achieve the goals above, the utility model embodiment provides the following technical solutions:
A kind of passive and wireless limit switch, including box body, pressing plate, rocker arm, magnet, loop and reset assembly；
Pressing plate and box body are rotatablely connected, and magnet is fixedly connected with rocker arm, and rocker arm and box body are rotatablely connected, loop and box body
It is fixedly connected, magnet is located on the inside of loop；
For rocker arm between pressing plate and box body, pressing plate can push rocker arm with respect to box body after rotating towards the direction close to rocker arm
Rotation；
Reset assembly is connect with box body and rocker arm respectively, and after pressing plate pushes rocker arm rotation, reset assembly has rocker arm
Repulsion power, rocker arm band moving magnet rotate on the inside of loop；
Arc groove is offered on box body, the arc core of arc groove is located remotely from the side of pressing plate rotation center；
Compression bar is slidably connected on box body, compression bar is plugged on the inside of arc groove and is slidably connected with arc groove inner wall, pressing plate
When being not affected by pressure effect, pressing plate is located at the middle part of arc groove far from one end of its rotation center, and it is separate that compression bar is located at pressing plate
The side of box body；
Compression bar pushes pressing plate rotation towards the direction close to box body when arcuately slot slides, compression bar can be crossed after pressing plate rotation
Pressing plate.
The utility model embodiment is further arranged to: the reset assembly includes the first elastic component, the first elastic component edge
The both ends in flexible deformation direction are abutted with the box body and the rocker arm respectively.
The utility model embodiment is further arranged to: the reset assembly further includes reverse push slab, first elastic component
For the first torsional spring, reverse push slab and box body are rotatablely connected, and wherein one end of the first torsional spring is fixedly connected with reverse push slab, the first torsional spring
The other end is fixedly connected with box body, and rocker arm is between pressing plate and reverse push slab；Energy after rocker arm is rotated towards the direction close to reverse push slab
Enough reverse push slab is pushed to rotate relative to box body, the first torsional spring has repulsion power to reverse push slab.
The utility model embodiment is further arranged to: first elastic component is the first spring, the both ends of the first spring
It is abutted respectively with the box body and the rocker arm.
The utility model embodiment is further arranged to: passive and wireless limit switch further includes the second elastic component, the second bullet
Property part is abutted with the pressing plate and the box body respectively along the both ends in flexible deformation direction.
The utility model embodiment is further arranged to: second elastic component is the second torsional spring, the both ends of the second torsional spring
It is fixedly connected respectively with the pressing plate and the box body.
The utility model embodiment is further arranged to: passive and wireless limit switch further includes box cover, box cover and the box
Body is slidably connected, and for the pressing plate between box cover and box body, box cover can push pressing plate towards after the sliding of the direction of box body
It is rotated relative to box body.
The advantages of the utility model embodiment, is: when work, passive and wireless limit switch being fixedly mounted on Moving Objects
Movement travel boundary position, Moving Objects collide compression bar when moving to movement travel boundary, compression bar pushes pressing plate rotation, pressing plate court
After the direction of close rocker arm rotates, compression bar gradually crosses pressing plate, and pressing plate pushes rocker arm to rotate relative to box body, and rocker arm band moving magnet exists
It is rotated in loop, during magnet movement, is constantly changed by the magnetic flux of loop, electric current, conducting wire are generated in loop
The both ends of circle are electrically connected with the control module of Moving Objects, after the electric current that loop generates is transferred to control module, control module
Corresponding control Moving Objects change motion state.Passive and wireless limit switch does not need external power supply can be outside in triggering
Portion exports electric signal.Magnet rotation speed is bigger, faster by the magnetic flux change speed of conductive coil, generates in conductive coil
Electric current it is bigger, when Manual press, due to press every time speed and different people pressing speed be all different, work as pressing
When speed is excessively slow, the electric current generated in conductive coil is too small, possibly can not drive control module control Moving Objects make movement
The change of state, after compression bar crosses pressing plate, under the repulsion of reset assembly, pressing plate and rocker arm are inverted and are being led with moving magnet
It is rotated in electric coil, repulsion power can push rocker arm reversion band moving magnet, and quickly rotation generation is sufficiently large in conductive coil
Electric current, do not need to press can be realized again to automatically reset.
Detailed description of the invention
It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art
It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below
Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology
On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover
In enclosing.
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the schematic diagram that internal structure between box body and box cover is embodied in the utility model embodiment 1；
Fig. 3 is the schematic diagram that connection relationship between each component between box body and box cover is embodied in the utility model embodiment 1；
Fig. 4 is the schematic diagram that connection relationship between the first spring and reverse push slab is embodied in the utility model embodiment 2；
Fig. 5 is the structure principle chart of the utility model embodiment 2.
In figure:
1, box body；11, arc groove；12, compression bar；2, pressing plate；3, rocker arm；4, magnet；5, loop；6, the first elastic component；
7, reverse push slab；8, the second elastic component；9, box cover.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is
The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection
Range.
Embodiment 1
A kind of passive and wireless limit switch, referring to figs. 1 to Fig. 3, including box body 1, pressing plate 2, rocker arm 3, magnet 4, loop 5
And reset assembly；Pressing plate 2 and box body 1 are rotatablely connected, and magnet 4 is fixedly connected with rocker arm 3, and rocker arm 3 and box body 1 are rotatablely connected, and are led
Coil 5 is fixedly connected with box body 1, and magnet 4 is located at 5 inside of loop；Rocker arm 3 is between pressing plate 2 and box body 1, and pressing plate 2 is towards leaning on
The direction of nearly rocker arm 3 can push rocker arm 3 to rotate relative to box body 1 after rotating；Reset assembly connects with box body 1 and rocker arm 3 respectively
It connects, after pressing plate 2 pushes rocker arm 3 to rotate, reset assembly has repulsion power to rocker arm 3, and rocker arm 3 is with moving magnet 4 in loop 5
Inside rotation；Arc groove 11 is offered on box body 1, the arc core of arc groove 11 is located remotely from the side of 2 rotation center of pressing plate；Box body
Compression bar 12 is slidably connected on 1, compression bar 12 is plugged on 11 inside of arc groove and is slidably connected with 11 inner wall of arc groove, and pressing plate 2 exists
When being not affected by pressure effect, pressing plate 2 is located at the middle part of arc groove 11 far from one end of its rotation center, and compression bar 12 is located at pressing plate 2
Side far from box body 1；Compression bar 12 pushes pressing plate 2 to rotate towards the direction close to box body 1 when arcuately slot 11 slides, and pressing plate 2 revolves
Compression bar 12 can cross pressing plate 2 after turning.
When work, passive and wireless limit switch is fixedly mounted on Moving Objects movement travel boundary position, Moving Objects
Compression bar 12 is collided when moving to movement travel boundary, compression bar 12 pushes pressing plate 2 to rotate, and pressing plate 2 is rotated towards the direction close to rocker arm 3
Afterwards, compression bar 12 gradually crosses pressing plate 2, and pressing plate 2 pushes rocker arm 3 to rotate relative to box body 1, and rocker arm 3 is with moving magnet 4 in loop 5
It rotates, in 4 motion process of magnet, is constantly changed by the magnetic flux of loop 5, electric current is generated in loop 5, loop 5
Both ends are electrically connected with the control module of Moving Objects, and after the electric current that loop 5 generates is transferred to control module, control module is corresponding
Control Moving Objects change motion state.Passive and wireless limit switch does not need external power supply can be in triggering to external defeated
Electric signal out.4 rotation speed of magnet is bigger, faster by the magnetic flux change speed of conductive coil, generates in conductive coil
Electric current is bigger, when Manual press, since the speed of speed and the different people pressing pressed every time is all different, when pressing speed
When spending slow, the electric current generated in conductive coil is too small, possibly can not drive control module control Moving Objects make movement shape
The change of state, after compression bar 12 crosses pressing plate 2, under the repulsion of reset assembly, pressing plate 2 and rocker arm 3 are inverted and with moving magnet 4
It is rotated in conductive coil, repulsion power can push the reversion band of rocker arm 3 moving magnet 4, and quickly rotation generates in conductive coil
Sufficiently large electric current does not need to press can be realized again to automatically reset.
Reset assembly include the first elastic component 6, the first elastic component 6 along flexible deformation direction both ends respectively with box body 1 with
And rocker arm 3 abuts.Reset assembly further includes reverse push slab 7, and the first elastic component 6 is the first torsional spring, and reverse push slab 7 and the rotation of box body 1 connect
It connects, wherein one end of the first torsional spring is fixedly connected with reverse push slab 7, and the other end of the first torsional spring is fixedly connected with box body 1, rocker arm 3
Between pressing plate 2 and reverse push slab 7；Rocker arm 3 can push reverse push slab 7 with respect to box body 1 after rotating towards the direction close to reverse push slab 7
Rotation, the first torsional spring have repulsion power to reverse push slab 7.
Passive and wireless limit switch further includes the second elastic component 8, and the second elastic component 8 is distinguished along the both ends in flexible deformation direction
It is abutted with pressing plate 2 and box body 1.
Second elastic component 8 is the second torsional spring, and the both ends of the second torsional spring are fixedly connected with pressing plate 2 and box body 1 respectively.
Passive and wireless limit switch further includes box cover 9, and box cover 9 is slidably connected with the box body 1, and the pressing plate 2 is located at box
Between lid 9 and box body 1, the compression bar 12 is connect with box cover 9, and box cover 9 is pushed away towards close to the direction of box body 1 sliding rear-guard dynamic pressure bar 12
Dynamic pressure plate 2 is rotated relative to box body 1.
It is specifically configured to, the central axis that central axis that pressing plate 2 is rotated relative to box body 1, rocker arm 3 are rotated relative to box body 1
And reverse push slab 7 is parallel to each other with respect to the center of rotation axis of box body 1, box cover 9 is with respect to 2 phase of 1 glide direction of box body and pressing plate
The central axis upright that box body 1 is rotated.
Embodiment 2
A kind of passive and wireless limit switch, difference from example 1 is that, with reference to Fig. 4 and Fig. 5, the first elastic component 6
For the first spring, the both ends of the first spring are abutted with box body 1 and rocker arm 3 respectively.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (7)
1. a kind of passive and wireless limit switch, it is characterized in that: including box body (1), pressing plate (2), rocker arm (3), magnet (4), conducting wire
Enclose (5) and reset assembly；
Pressing plate (2) and box body (1) are rotatablely connected, and magnet (4) is fixedly connected with rocker arm (3), and rocker arm (3) and box body (1) rotation connect
It connects, loop (5) is fixedly connected with box body (1), and magnet (4) is located on the inside of loop (5)；
Rocker arm (3) is located between pressing plate (2) and box body (1), and pressing plate (2) can push after rotating towards the direction close to rocker arm (3)
Rocker arm (3) is rotated relative to box body (1)；
Reset assembly is connect with box body (1) and rocker arm (3) respectively, after pressing plate (2) pushes rocker arm (3) rotation, reset assembly pair
Rocker arm (3) has repulsion power, and rocker arm (3) band moving magnet (4) rotates on the inside of loop (5)；
It is offered on box body (1) arc groove (11), the arc core of arc groove (11) is located remotely from the side of pressing plate (2) rotation center；
Slidably connected on box body (1) compression bar (12), compression bar (12) be plugged on the inside of arc groove (11) and in arc groove (11)
Wall is slidably connected, and for pressing plate (2) when being not affected by pressure effect, pressing plate (2) is located at arc groove far from one end of its rotation center
(11) middle part, compression bar (12) are located at the side of pressing plate (2) far from box body (1)；
Compression bar (12) pushes pressing plate (2) to rotate towards the direction close to box body (1) when arcuately slot (11) slides, pressing plate (2) rotation
Compression bar (12) can cross pressing plate (2) afterwards.
2. a kind of passive and wireless limit switch according to claim 1, it is characterized in that: the reset assembly includes the first bullet
Property part (6), the first elastic component (6) are supported with the box body (1) and the rocker arm (3) respectively along the both ends in flexible deformation direction
It connects.
3. a kind of passive and wireless limit switch according to claim 2, it is characterized in that: first elastic component (6) is the
One spring, the both ends of the first spring are abutted with the box body (1) and the rocker arm (3) respectively.
4. a kind of passive and wireless limit switch according to claim 2, it is characterized in that: the reset assembly further includes counter pushes away
Plate (7), first elastic component (6) they are the first torsional spring, and reverse push slab (7) and box body (1) are rotatablely connected, wherein the one of the first torsional spring
End be fixedly connected with reverse push slab (7), the other end of the first torsional spring is fixedly connected with box body (1), rocker arm (3) be located at pressing plate (2) and
Between reverse push slab (7)；Rocker arm (3) can push reverse push slab (7) with respect to box body (1) after rotating towards the direction close to reverse push slab (7)
Rotation, the first torsional spring have repulsion power to reverse push slab (7).
5. a kind of passive and wireless limit switch according to claim 1, it is characterized in that: passive and wireless limit switch further includes
Second elastic component (8), the second elastic component (8) along flexible deformation direction both ends respectively with the pressing plate (2) and the box body
(1) it abuts.
6. a kind of passive and wireless limit switch according to claim 5, it is characterized in that: second elastic component (8) is the
Two torsional springs, the both ends of the second torsional spring are fixedly connected with the pressing plate (2) and the box body (1) respectively.
7. a kind of passive and wireless limit switch according to claim 1, it is characterized in that: passive and wireless limit switch further includes
Box cover (9), box cover (9) are slidably connected with the box body (1), and the pressing plate (2) is located between box cover (9) and box body (1), described
Compression bar (12) is connect with box cover (9), and box cover (9) pushes pressing plate (2) towards direction sliding rear-guard dynamic pressure bar (12) close to box body (1)
It is rotated relative to box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383616.XU CN209312633U (en) | 2019-03-25 | 2019-03-25 | A kind of passive and wireless limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383616.XU CN209312633U (en) | 2019-03-25 | 2019-03-25 | A kind of passive and wireless limit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312633U true CN209312633U (en) | 2019-08-27 |
Family
ID=67682308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920383616.XU Expired - Fee Related CN209312633U (en) | 2019-03-25 | 2019-03-25 | A kind of passive and wireless limit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312633U (en) |
-
2019
- 2019-03-25 CN CN201920383616.XU patent/CN209312633U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 |